When Mrs. Higgins' second son dies in a boxing match, Slip's gang searches for her first son, Johnny Higgins, who abandoned boxing after a fixed fight. Slip convinces Johnny to return to the ring, but his opponent sabotages his chances. A new fight is arranged, only to be rigged again. To ensure Johnny's cooperation, his younger brother is kidnapped and threatened. Sach intervenes to save the day.
Fighting Fools
The Scooby-Doo gang teams up with a martial arts expert to take down a corrupt organization that's manipulating professional boxing matches.
